Home / 19,103,999.10-28,655,998.65-12,301,554.30

Finding the Fourth Proportional to 19,103,999.10, 28,655,998.65 and 12,301,554.30

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Solution

The fourth proportional to 19,103,999.10, 28,655,998.65 and 12,301,554.30 is: 18,452,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103,999.10 : 28,655,998.65 = 12,301,554.30 : x
  2. Step 2: Convert to fraction form
    19,103,999.10/28,655,998.65 = 12,301,554.30/x
  3. Step 3: Cross multiply
    19,103,999.10x = 28,655,998.65 × 12,301,554.30
  4. Step 4: Simplify right side
    19,103,999.10x = 352,513,323,413,701.69
  5. Step 5: Solve for x
    x = 352,513,323,413,701.69/19,103,999.10
  6. Step 6: Final answer
    x = 18,452,331.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.